How to discover a # btwn 1 to 100 using QSort method - PHP

for($i = 1; $i <= 100; $i++){
$valor = $i;

$tentativas = 0;

$try = 0;
$min = 0;
$max = 100;

while($valor != $try){
    $tentativas++;
    $try = round(($max - $min) / 2) + $min;
    if($try < $valor){
        $min = $try;
    }elseif($try  > $valor){
        $max = $try;
    }
}

echo "Numero $valor Descoberto em $tentativas tentativas.<br> ";
}